*{margin:0;padding:0;box-sizing:border-box;font-family:"微软雅黑",sans-serif;}
        body{color:#333;background:#f6f6f6;line-height:1.8;}
        ul,li{list-style:none;}
        a{text-decoration:none;color:inherit;}
        .container{width:1200px;margin:0 auto;padding:0 15px;}
        @media(max-width:768px){.container{width:100%;}}

        /* 顶部导航样式 */
        .header-nav{width:100%;background:#1a2938;position:sticky;top:0;z-index:999;}
        .nav-wrap{display:flex;justify-content:space-between;align-items:center;height:70px;}
        .logo{color:#fff;font-size:22px;font-weight:bold;}
        .nav-list{display:flex;gap:35px;}
        .nav-list li a{color:#ddd;font-size:16px;transition:0.3s;}
        .nav-list li a:hover,.nav-list li a.active{color:#ff9933;}
        /* 移动端导航简化 */
        @media(max-width:768px){
            .nav-list{gap:15px;font-size:14px;}
            .logo{font-size:18px;}
            .nav-wrap{height:60px;}
        }

        /*Banner样式 文字居中*/
        .banner{width:100%;height:420px;background:linear-gradient(135deg,#1a2938,#2c425b);display:flex;align-items:center;justify-content:center;color:#fff;padding:0 5%;text-align:center;}
        .banner-text h1{font-size:38px;margin-bottom:15px;}
        .banner-text p{font-size:18px;margin-bottom:25px;opacity:0.9;}
        .banner-btn a{display:inline-block;padding:12px 30px;background:#ff9933;color:#fff;text-decoration:none;border-radius:4px;margin-right:15px;}
        @media(max-width:768px){
            .banner{height:300px;}
            .banner-text h1{font-size:24px;}
        }

        /*通用板块样式*/
        .section{padding:60px 0;background:#fff;margin-bottom:20px;}
        .title{font-size:26px;color:#222;margin-bottom:40px;border-left:4px solid #ff9933;padding-left:15px;}
        /*四大优势栅格*/
        .advantage-list{display:grid;grid-template-columns:repeat(4,1fr);gap:25px;}
        @media(max-width:768px){.advantage-list{grid-template-columns:repeat(2,1fr);}}
        .advantage-item{padding:25px;border:1px solid #eee;border-radius:6px;}
        .advantage-item h3{color:#2c425b;margin-bottom:12px;}

        /*产品图文通用样式*/
        .product-row{display:flex;gap:30px;align-items:center;margin-bottom:40px;border-bottom:1px dashed #eee;padding-bottom:30px;}
        .product-row:nth-last-child(1){border-bottom:none;margin-bottom:0;}
        .product-img{width:280px;height:220px;object-fit:cover;border-radius:6px;border:1px solid #eee;}
        .product-text{flex:1;}
        @media(max-width:768px){
            .product-row{flex-direction:column;}
            .product-img{width:100%;height:auto;}
        }

        /*行业应用卡片网格*/
        .industry-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;}
        .industry-card{border:1px solid #eee;border-radius:6px;overflow:hidden;}
        .industry-card img{width:100%;height:160px;object-fit:cover;display:block;}
        .industry-card .text{padding:15px;}
        .industry-card h4{color:#2c425b;margin-bottom:8px;}
        @media(max-width:1024px){.industry-grid{grid-template-columns:repeat(3,1fr);}}
        @media(max-width:768px){.industry-grid{grid-template-columns:repeat(2,1fr);}}
        @media(max-width:480px){.industry-grid{grid-template-columns:1fr;}}

        /*工厂通栏大图样式*/
        .factory-big-img{width:100%;height:320px;object-fit:cover;border-radius:8px;margin-bottom:30px;border:1px solid #eee;}
        @media(max-width:768px){
            .factory-big-img{height:200px;}
        }

        /*参数表格*/
        table{width:100%;border-collapse:collapse;margin:20px 0;}
        th,td{border:1px solid #ddd;padding:12px;text-align:center;}
        th{background:#2c425b;color:#fff;}
        /*FAQ问答*/
        .faq-item{margin-bottom:18px;}
        .faq-item strong{color:#2c425b;}
        /*联系转化栏*/
        .contact-box{background:#fff5eb;padding:30px;border-radius:8px;border-left:5px solid #ff9933;}
        /*底部SEO文案*/
        .seo-text{padding:30px;background:#eee;font-size:14px;color:#666;}

        /* 页脚样式 */
        footer{background:#1a2938;color:#ddd;padding:50px 0 20px;}
        .footer-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-bottom:40px;}
        @media(max-width:768px){.footer-wrap{grid-template-columns:repeat(2,1fr);}}
        .footer-box h4{color:#fff;font-size:18px;margin-bottom:20px;padding-bottom:8px;border-bottom:1px solid #33485f;}
        .footer-links li{margin-bottom:10px;}
        .footer-contact p{margin-bottom:10px;}
        .copyright{text-align:center;padding-top:20px;border-top:1px solid #33485f;font-size:14px;color:#999;}