* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", sans-serif;
        }
        body {
            background-color: #f0f0f0;
            line-height: 1.6;
            color: #333;
        }
        /* 导航栏 */
        header {
			background-color: #237EF5;
            border-bottom: 1px solid #eee;
            position: sticky;
            top: 0;
            z-index: 999;
        }
        .nav-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 20px;
        }
        .logo {
            height: 30px;
        }
        .nav-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .nav-links a {
            text-decoration: none;
            color: #fff;
            font-size: 14px;
            font-weight: bold;
        }
        .nav-links a:hover {
            color: #0056b3;
        }
        /* 汉堡菜单（移动端） */
        .menu-toggle {
            display: none;
            font-size: 24px;
            background: none;
            border: none;
            cursor: pointer;
            color: #003399;
        }
        /* 通用区块 */
        .section {
            max-width: 1200px;
            margin: 0 auto;
            padding: 30px 20px;
            background-color: #f0f0f0;
        }
        .section-white {
            background-color: #fff;
        }
        h2 {
            color: #000033;
            font-size: 22px;
            margin-bottom: 15px;
        }
        /* 关于软件 */
        .about-intro {
            font-size: 18px;
            margin-bottom: 30px;
            color: #333;
        }
        .features-row {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }
        .feature-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: bold;
            color: #555;
        }
        .star-icon {
            color: #f5c518;
            font-size: 20px;
        }
        .divider {
            height: 1px;
            background-color: #ccc;
            margin: 30px 0;
        }
        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin-bottom: 20px;
        }
        .feature-list h3 {
            font-size: 18px;
            color: #555;
            margin-bottom: 5px;
        }
        .feature-list p {
            font-size: 16px;
            color: #666;
        }
        .software-screenshots {
            display: flex;
            gap: 10px;
            justify-content: center;
            flex-wrap: wrap;
            margin: 20px 0;
        }
        .software-screenshots img {
            max-width: 48%;
            height: auto;
            border-radius: 4px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }
        .tech-advantage {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            align-items: center;
            margin-top: 30px;
        }
        .advantage-text {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .advantage-text p {
            font-size: 16px;
        }
        .advantage-text strong {
            color: #333;
        }
        .advantage-img img {
            max-width: 100%;
            height: auto;
            border-radius: 4px;
        }
        /* 主要产品 */
        .product-intro {
            font-size: 18px;
            margin-bottom: 30px;
        }
        .data-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            margin-bottom: 30px;
        }
        .data-item {
            background-color: #eee;
            padding: 15px;
            display: flex;
            align-items: center;
            justify-content: space-around;
        }
        .data-number {
            font-size: 40px;
            font-weight: bold;
            color: #003366;
        }
        .data-desc {
            font-size: 16px;
            color: #555;
        }
        .data-desc small {
            font-size: 14px;
            color: #777;
        }
        /* 成品展示布局：严格按你要求的尺寸 + 对齐 */
        .product-showcase {
            position: relative;
        }
        .product-showcase h3 {
            text-align: right;
            font-size: 22px;
            color: #000033;
            margin-bottom: 0; /* 关键：让标题和图片顶部无缝对齐 */
        }
        
        .showcase-imgs {
            display: flex;
            justify-content: space-between;
            align-items: flex-end; /* 底部对齐 */
            gap: 10px;
            margin-top: 0; /* 图片顶部紧贴标题 */
            width: 100%;
        }
        
        /* 左边图片：392×502，顶部和标题齐平 */
        .img-left {
            width: 392px;
            height: 502px;
            object-fit: cover;
            display: block;
        }
        
        /* 右边图片：1092×386 */
        .img-right {
            width: 750px;
            height: 386px;
            object-fit: cover;
            display: block;
        }
        
        
       /* 技术核心优势 */
       .tech-core {
           margin: 30px 0;
       }
       .tech-core h3 {
           text-align: center;
           font-size: 22px;
           color: #000033;
           margin-bottom: 20px;
       }
       .core-grid {
           display: grid;
           grid-template-columns: repeat(2, 1fr);
           gap: 0;
       }
       .core-item {
           background-color: #eee;
           padding: 15px;
           text-align: center;
           border: 1px solid #ddd;
       }
       .core-item h4 {
           font-size: 18px;
           margin-bottom: 15px;
           color: #333;
       }
       
       /* 核心修复：图片 + 并排文字 */
       .core-imgs {
           display: flex;
           flex-direction: column;
           align-items: center;
           gap: 12px;
       }
       .core-imgs img {
           width: 500px;
           height: auto;
           object-fit: contain;
       }
       
       /* 文字行：水平并排 */
       .text-row {
           display: flex;
           gap: 100px; /* 两个文字之间的距离 */
           justify-content: center;
       }
       .text-row p {
           margin: 0;
           font-size: 16px;
       }
        /* 适用范围 */
        .scope {
            margin: 30px 0;
        }
        .scope h3 {
            text-align: center;
            font-size: 22px;
            color: #000033;
            margin-bottom: 20px;
        }
        .scope-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 5px;
        }
        .scope-item {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .scope-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .scope-item p {
            position: absolute;
            bottom: 10px;
            left: 0;
            width: 100%;
            text-align: center;
            color: #fff;
            font-size: 18px;
            font-weight: bold;
            background: linear-gradient(transparent, rgba(0,0,0,0.5));
            padding: 10px 0;
        }
        /* 页脚 */
        footer {
            background-color: #f0f0f0;
            padding: 30px 20px;
            border-top: 5px solid #fff;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            text-align: center;
        }
        .footer-title {
            color: #0056b3;
            font-size: 14px;
            margin-bottom: 10px;
        }
        .footer-subtitle {
            font-size: 14px;
            color: #666;
            margin-bottom: 20px;
            position: relative;
        }
        .footer-subtitle::before,
        .footer-subtitle::after {
            content: "";
            position: absolute;
            top: 50%;
            width: 20%;
            height: 1px;
            background-color: #999;
        }
        .footer-subtitle::before {
            left: 10%;
        }
        .footer-subtitle::after {
            right: 10%;
        }
        .footer-contact {
            display: flex;
            justify-content: space-around;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 20px;
        }
        .contact-info {
            text-align: left;
            font-size: 14px;
            color: #666;
            line-height: 2;
        }
        .qrcode {
            width: 100px;
            height: 100px;
            background-color: #fff;
            border: 1px solid #ddd;
        }
        .qrcode img {
            width: 100px;
            height: 100px;
        }
        /* 响应式适配 */
        @media (max-width: 768px) {
			.showcase-imgs {
			        flex-direction: column;
			    }
			    .showcase-imgs img {
			        width: 100%;
			    }
				
            .nav-links {
                display: none;
                position: absolute;
                top: 50px;
                left: 0;
                width: 100%;
                background-color: #fff;
                flex-direction: column;
                padding: 10px 20px;
                gap: 10px;
                border-bottom: 1px solid #eee;
            }
            .nav-links.active {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
            .features-row {
                flex-direction: column;
                gap: 15px;
                align-items: center;
            }
            .software-screenshots {
                flex-direction: column;
                align-items: center;
            }
            .software-screenshots img {
                max-width: 95%;
            }
            .tech-advantage {
                grid-template-columns: 1fr;
            }
            .data-grid {
                grid-template-columns: 1fr;
            }
            .core-grid {
                grid-template-columns: 1fr;
            }
            .scope-grid {
                grid-template-columns: 1fr;
            }
            .scope-item {
                height: 180px;
            }
            .footer-subtitle::before,
            .footer-subtitle::after {
                width: 15%;
            }
            .footer-contact {
                flex-direction: column;
                text-align: center;
            }
            .contact-info {
                text-align: center;
            }
        }