*{margin:0;padding:0;box-sizing:border-box;font-family:Arial,Helvetica,sans-serif;}
        body{background:#f5f7fa;color:#333;line-height:1.7;}
        .container{max-width:1200px;margin:0 auto;padding:0 20px;}
        header{background:#165DFF;color:#fff;padding:40px 0;text-align:center;}
        header h1{font-size:32px;margin-bottom:12px;}
        header p{font-size:16px;opacity:0.9}
        section{padding:60px 0;border-bottom:1px solid #eee;}
        .section-title{font-size:26px;color:#165DFF;margin-bottom:30px;padding-bottom:10px;border-bottom:2px solid #165DFF;display:inline-block}
        .intro-text{font-size:16px;margin-bottom:20px}
        .product-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;margin-top:30px}
        .product-card{background:#fff;padding:24px;border-radius:10px;box-shadow:0 2px 12px rgba(0,0,0,0.08)}
        .product-card h3{color:#165DFF;margin-bottom:12px;font-size:18px}
        .spec-table{width:100%;border-collapse:collapse;margin:20px 0;background:#fff}
        .spec-table th,.spec-table td{border:1px solid #ddd;padding:12px;text-align:left;font-size:14px}
        .spec-table th{background:#e8f3ff;color:#165DFF}
        .advantage-box{background:#e8f3ff;padding:24px;border-radius:10px;margin:30px 0}
        .advantage-box h3{color:#165DFF;margin-bottom:15px}
        .scene-item{background:#fff;padding:16px;border-radius:8px;margin:12px 0}
        .contact-wrap{background:#0F3480;color:#fff;padding:40px 20px;border-radius:12px;margin-top:30px}
        .contact-wrap h2{margin-bottom:25px;font-size:26px}
        .contact-item{margin:15px 0;font-size:17px}
        footer{background:#0F3480;color:#fff;text-align:center;padding:30px 0;margin-top:40px}