:root {
            --primary-color: #003366;
            --secondary-color: #66CCFF;
            --accent-color: #0099CC;
            --light-color: #F5F9FF;
            --dark-color: #001A33;
            --text-color: #333333;
            --text-light: #ffffff;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Microsoft YaHei', Arial, sans-serif;
        }
        
        body {
            color: var(--text-color);
            line-height: 1.6;
            overflow-x: hidden;
        }
        
        a {
            text-decoration: none;
            color: var(--primary-color);
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 导航栏 */
        header {
            background-color: var(--primary-color);
            color: var(--text-light);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        
        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        
        .logo {
            font-size: 24px;
            font-weight: bold;
            color: var(--text-light);
			display: flex;
			align-items: center;
        }
        .logo-pic {
			height: 40px;
			filter: invert(100%) grayscale(100%);
			margin-right: 10px;
        }
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 30px;
        }
        
        .nav-links a {
            color: var(--text-light);
            font-weight: 500;
            transition: color 0.3s;
        }
        
        .nav-links a:hover {
            color: var(--secondary-color);
        }
        
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 24px;
            cursor: pointer;
        }
        
        /* 英雄区域 */
        .hero {
            /* background: linear-gradient(rgba(0, 51, 102, 0.8), rgba(0, 153, 204, 0.8)), url('https://images.unsplash.com/photo-1516937941344-00b4e0337589?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80'); */
            background: linear-gradient(rgba(0, 51, 102, 0.7), rgba(0, 153, 204, 0.7)), url('./images/banner1.jpg');
            background-size: cover;
            background-position: center;
            height: 100vh;
            display: flex;
            align-items: center;
            text-align: center;
            color: var(--text-light);
            margin-top: 60px;
        }
        
        .hero-content {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .hero .banner-logo{
			text-align: center;
		}
		.hero .banner-logo .img-logo{
			width: 70%;
			max-width: 550px;
		}
        .hero h1 {
            font-size: 48px;
            margin-bottom: 20px;
        }
        
        .hero p {
            font-size: 20px;
            margin-bottom: 30px;
        }
        
        .btn {
            display: inline-block;
            background-color: var(--secondary-color);
            color: var(--primary-color);
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: bold;
            transition: all 0.3s;
            border: 2px solid var(--secondary-color);
        }
        
        .btn:hover {
            background-color: transparent;
            color: var(--accent-color);
        }
        
        .btn-outline {
            background-color: transparent;
            color: var(--text-light);
            margin-left: 15px;
        }
        
        .btn-outline:hover {
            background-color: var(--secondary-color);
            color: var(--primary-color);
        }
        
        /* 产品部分 */
        .section {
            padding: 80px 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }
        
        .section-title h2 {
            font-size: 36px;
            color: var(--primary-color);
            margin-bottom: 15px;
        }
        
        .section-title p {
            max-width: 700px;
            margin: 0 auto;
            font-size: 18px;
        }
        
        .products {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }
        
        .product-card {
            background-color: var(--light-color);
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        
        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        
        .product-img {
            height: 200px;
            overflow: hidden;
        }
        
        .product-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .product-card:hover .product-img img {
            transform: scale(1.1);
        }
        
        .product-content {
            padding: 20px;
        }
        
        .product-content h3 {
            font-size: 22px;
            margin-bottom: 10px;
            color: var(--primary-color);
        }
        
        .product-content ul {
            list-style-position: inside;
            margin-bottom: 20px;
        }
        
        .product-content li {
            margin-bottom: 8px;
        }
        
        /* 软件部分 */
        .software {
            background-color: var(--light-color);
        }
        
        .software-features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .feature-card {
            background-color: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            text-align: center;
        }
        
        .feature-icon {
            font-size: 50px;
            color: var(--accent-color);
            margin-bottom: 20px;
        }
        
        .feature-card h3 {
            font-size: 22px;
            margin-bottom: 15px;
            color: var(--primary-color);
        }
        
        /* 客户案例 */
        .cases {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .case-card {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            position: relative;
        }
        
        .case-img {
            height: 250px;
            overflow: hidden;
        }
        
        .case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .case-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(0, 51, 102, 0.8));
            padding: 20px;
            color: white;
        }
        
        .case-overlay h3 {
            margin-bottom: 10px;
        }
        
        /* 下载部分 */
        .download {
            background-color: var(--primary-color);
            color: var(--text-light);
            text-align: center;
        }
        
        .download .section-title h2,
        .download .section-title p {
            color: var(--text-light);
        }
        
        .download-options {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 30px;
            margin-top: 40px;
        }
        
        .download-option {
            background-color: var(--light-color);
            padding: 30px;
            border-radius: 10px;
            width: 280px;
            color: var(--text-color);
        }
        
        .download-option h3 {
            margin-bottom: 20px;
            color: var(--primary-color);
        }
        .download-option .btn {
            margin-top: 10px;
        }
        .qr-code {
            width: 150px;
            height: 150px;
            margin: 0 auto 20px;
            background-color: #fff;
            padding: 10px;
			display: flex;
			flex-direction: column;
			justify-content: center;
			align-items: center;
			font-size: 15rpx;
			color: #6f6f6f;
        }
         .qr-code .up{
			 width: 60px;
			 margin-bottom: 10px;
		 }
        /* 关于我们 */
        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        
        .about-img {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }
        
        .about-img img {
            width: 100%;
            height: auto;
            display: block;
        }
        
        .about-text h3 {
            font-size: 28px;
            margin-bottom: 20px;
            color: var(--primary-color);
        }
        
        .about-text p {
            margin-bottom: 15px;
        }
        
        /* 联系我们 */
        .contact {
            background-color: var(--light-color);
        }
        
        .contact-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }
        
        .contact-info h3 {
            font-size: 24px;
            margin-bottom: 20px;
            color: var(--primary-color);
        }
        
        .contact-details {
            margin-bottom: 30px;
        }
        
        .contact-item {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
        }
        
        .contact-icon {
            margin-right: 15px;
            color: var(--accent-color);
            font-size: 20px;
        }
        
        .contact-form input,
        .contact-form textarea {
            width: 100%;
            padding: 12px 15px;
            margin-bottom: 20px;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 16px;
        }
        
        .contact-form textarea {
            height: 150px;
            resize: vertical;
        }
        
        /* 页脚 */
        footer {
            background-color: var(--dark-color);
            color: var(--text-light);
            padding: 50px 0 20px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }
        .footer-column{
			padding-right: 30px;
		}
        .footer-column h3 {
            font-size: 18px;
            margin-bottom: 10px;
            color: var(--secondary-color);
        }
        .footer-logo{
			width: 150px;
			/* filter: invert(100%); */
			/* filter: hue-rotate(90deg); */
			filter: invert(100%) grayscale(100%);
		}
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: #ccc;
            transition: color 0.3s;
        }
        
        .footer-links a:hover {
            color: var(--secondary-color);
        }
        
        .social-links {
            display: flex;
            gap: 15px;
        }
        
        .social-links a {
            color: #ccc;
            font-size: 20px;
            transition: color 0.3s;
        }
        
        .social-links a:hover {
            color: var(--secondary-color);
        }
        
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 14px;
        }
        .copyright a{
			color: #aaa;
		}
        /* 响应式设计 */
        @media (max-width: 992px) {
            .about-content,
            .contact-container {
                grid-template-columns: 1fr;
            }
            
            .about-img {
                order: -1;
            }
        }
        
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 60px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 60px);
                background-color: var(--primary-color);
                flex-direction: column;
                align-items: center;
                padding-top: 30px;
                transition: left 0.3s;
            }
            
            .nav-links.active {
                left: 0;
            }
            
            .nav-links li {
                margin: 15px 0;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .hero h1 {
                font-size: 36px;
            }
            
            .hero p {
                font-size: 18px;
            }
            
            .btn {
                display: block;
                width: 100%;
                margin-bottom: 15px;
            }
            
            .btn-outline {
                margin-left: 0;
            }
        }
		.form-message {
		    margin-bottom: 15px;
		    padding: 10px;
		    border-radius: 5px;
		    display: none;
		}
		
		.form-message.success {
		    background-color: #d4edda;
		    color: #155724;
		    display: block;
		}
		
		.form-message.error {
		    background-color: #f8d7da;
		    color: #721c24;
		    display: block;
		}
		
		#submitBtn.loading {
		    position: relative;
		    pointer-events: none;
		}
		
		#submitBtn.loading::after {
		    content: "";
		    position: absolute;
		    top: 50%;
		    left: 50%;
		    transform: translate(-50%, -50%);
		    width: 20px;
		    height: 20px;
		    border: 2px solid rgba(255, 255, 255, 0.3);
		    border-radius: 50%;
		    border-top-color: #fff;
		    animation: spin 1s ease-in-out infinite;
		}
		
		@keyframes spin {
		    to { transform: translate(-50%, -50%) rotate(360deg); }
		}
		/* 微信二维码弹出样式 */
		.wechat-qr-container {
		    position: relative;
		    display: inline-block;
		}
		
		.qr-popup {
		    position: absolute;
		    bottom: 100%;
		    left: 50%;
		    transform: translateX(-50%);
		    background-color: white;
		    padding: 15px;
		    border-radius: 8px;
		    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
		    width: 180px;
		    text-align: center;
		    opacity: 0;
		    visibility: hidden;
		    transition: all 0.3s ease;
		    z-index: 1000;
		    margin-bottom: 15px;
		}
		
		.qr-popup::after {
		    content: '';
		    position: absolute;
		    top: 100%;
		    left: 50%;
		    transform: translateX(-50%);
		    border-width: 8px;
		    border-style: solid;
		    border-color: white transparent transparent transparent;
		}
		
		.qr-popup img {
		    width: 100%;
		    height: auto;
		    margin-bottom: 8px;
		}
		
		.qr-popup p {
		    margin: 0;
		    font-size: 14px;
		    color: var(--primary-color);
		}
		
		.wechat-qr-container:hover .qr-popup,
		.wechat-qr-container.show-qr .qr-popup {
		    opacity: 1;
		    visibility: visible;
		}
		
		/* 页脚中的微信二维码样式 */
		footer .wechat-qr-container {
		    position: relative;
		}
		
		footer .qr-popup {
		    bottom: auto;
		    top: 100%;
		    left: 0;
		    transform: none;
		    margin-top: 15px;
		}
		
		footer .qr-popup::after {
		    top: -16px;
		    left: 20px;
		    border-color: transparent transparent white transparent;
		}