*{margin: 0;padding: 0;box-sizing: border-box;font-family: "Microsoft YaHei", "PingFang SC", sans-serif;}body{color: #333;line-height: 1.7;background-color: #f5f7fa;}.container{max-width: 1200px;margin: 0 auto;padding: 0 20px;}/* 顶部联系栏*/.top-bar{background-color: #1e5baa;color: #fff;padding: 8px 0;font-size: 14px;}.top-bar .container{display: flex;justify-content: space-between;align-items: center;}.top-phone{font-weight: bold;font-size: 16px;}/* 头部导航*/header{background-color: #fff;box-shadow: 0 2px 8px rgba(0,0,0,0.08);position: sticky;top: 0;z-index: 999;}.header-inner{display: flex;justify-content: space-between;align-items: center;padding: 15px 0;}.logo{font-size: 24px;font-weight: bold;color: #1e5baa;}.logo span{color: #ff7b00;font-size: 14px;display: block;font-weight: normal;}nav ul{display: flex;list-style: none;gap: 30px;}nav a{text-decoration: none;color: #333;font-size: 16px;transition: color 0.3s;}nav a: hover{color: #1e5baa;}/* 首屏Banner*/.banner{background: linear-gradient(135deg, #1e5baa 0%, #2a78d4 100%);color: #fff;padding: 80px 0;text-align: center;}.banner h1{font-size: 36px;margin-bottom: 15px;}.banner p{font-size: 18px;margin-bottom: 25px;opacity: 0.9;}.banner-phone{font-size: 28px;font-weight: bold;color: #ffd700;}.banner-tag{display: inline-block;background: rgba(255,255,255,0.15);padding: 6px 18px;border-radius: 20px;font-size: 14px;margin: 0 8px;margin-bottom: 20px;}/* 通用区块*/section{padding: 60px 0;}.section-title{text-align: center;margin-bottom: 40px;}.section-title h2{font-size: 28px;color: #1e5baa;margin-bottom: 10px;}.section-title p{color: #666;font-size: 16px;}/* 关于我们*/.about-grid{display: grid;grid-template-columns: 1fr 1fr;gap: 40px;align-items: start;}.about-text h3{font-size: 22px;margin-bottom: 15px;color: #1e5baa;}.about-text p{margin-bottom: 15px;color: #555;}.about-list{list-style: none;margin-top: 20px;}.about-list li{padding: 6px 0;padding-left: 25px;position: relative;color: #555;}.about-list li: : before{content: "✓";position: absolute;left: 0;color: #1e5baa;font-weight: bold;}/* 厂区图片样式*/.factory-img{width: 100%;height: auto;border-radius: 8px;box-shadow: 0 2px 12px rgba(0,0,0,0.06);margin-bottom: 25px;display: block;}.about-stats{display: grid;grid-template-columns: 1fr 1fr;gap: 20px;}.stat-item{background-color: #fff;padding: 25px 20px;border-radius: 8px;box-shadow: 0 2px 12px rgba(0,0,0,0.06);text-align: center;}.stat-item .num{font-size: 28px;font-weight: bold;color: #ff7b00;margin-bottom: 5px;}.stat-item .label{color: #666;font-size: 14px;}/* 资质标准板块*/.standard{background-color: #fff;}.standard-grid{display: grid;grid-template-columns: repeat(3, 1fr);gap: 25px;margin-bottom: 40px;}.standard-card{padding: 30px 25px;border: 1px solid #e8ecf1;border-radius: 8px;text-align: center;transition: all 0.3s;}.standard-card: hover{border-color: #1e5baa;box-shadow: 0 4px 15px rgba(30, 91, 170, 0.1);}.standard-card h4{font-size: 18px;color: #1e5baa;margin-bottom: 10px;}.standard-card p{color: #666;font-size: 14px;}.standard-code{display: inline-block;background: #f0f5fc;color: #1e5baa;padding: 4px 12px;border-radius: 4px;font-size: 13px;margin-top: 8px;font-family: monospace;}.qc-flow{background: #f8fafc;padding: 30px;border-radius: 8px;}.qc-flow h4{font-size: 18px;color: #1e5baa;margin-bottom: 15px;text-align: center;}.qc-flow ul{display: flex;justify-content: space-between;list-style: none;flex-wrap: wrap;gap: 15px;}.qc-flow li{flex: 1;min-width: 120px;text-align: center;padding: 15px 10px;background: #fff;border-radius: 6px;font-size: 14px;color: #555;position: relative;}/* 核心优势*/.advantage-grid{display: grid;grid-template-columns: repeat(4, 1fr);gap: 25px;}.advantage-item{text-align: center;padding: 30px 20px;border: 1px solid #e8ecf1;border-radius: 8px;transition: all 0.3s;background: #fff;}.advantage-item: hover{border-color: #1e5baa;box-shadow: 0 4px 15px rgba(30, 91, 170, 0.1);}.advantage-item h4{font-size: 18px;margin-bottom: 10px;color: #1e5baa;}.advantage-item p{color: #666;font-size: 14px;}/* 选型指引*/.select-guide{background: #f0f5fc;padding: 20px 25px;border-radius: 8px;margin-bottom: 30px;}.select-guide h4{color: #1e5baa;margin-bottom: 10px;font-size: 16px;}.select-guide ul{list-style: none;display: grid;grid-template-columns: repeat(2, 1fr);gap: 8px 20px;}.select-guide li{font-size: 14px;color: #555;padding-left: 18px;position: relative;}.select-guide li: : before{content: "▸";position: absolute;left: 0;color: #1e5baa;}/* 规格参数表*/.spec-table{width: 100%;border-collapse: collapse;background: #fff;border-radius: 8px;overflow: hidden;box-shadow: 0 2px 10px rgba(0,0,0,0.05);margin-bottom: 40px;}.spec-table th, .spec-table td{padding: 14px 18px;text-align: center;border-bottom: 1px solid #f0f0f0;font-size: 14px;}.spec-table th{background-color: #1e5baa;color: #fff;font-weight: normal;}.spec-table tr: last-child td{border-bottom: none;}.stock-tag{display: inline-block;background: #e8f5e9;color: #2e7d32;padding: 2px 8px;border-radius: 4px;font-size: 12px;}/* 产品对比表*/.compare-table{width: 100%;border-collapse: collapse;background: #fff;border-radius: 8px;overflow: hidden;box-shadow: 0 2px 10px rgba(0,0,0,0.05);margin-bottom: 40px;}.compare-table th, .compare-table td{padding: 14px 16px;text-align: center;border-bottom: 1px solid #f0f0f0;font-size: 14px;}.compare-table th{background-color: #1e5baa;color: #fff;font-weight: normal;}.compare-table tr: last-child td{border-bottom: none;}.compare-table .type-name{font-weight: bold;color: #1e5baa;}/* 产品中心*/.product-category{margin-bottom: 40px;}.product-category h3{font-size: 22px;color: #1e5baa;margin-bottom: 20px;padding-bottom: 8px;border-bottom: 2px solid #1e5baa;display: inline-block;}.product-grid{display: grid;grid-template-columns: repeat(4, 1fr);gap: 20px;}.product-card{background-color: #fff;border-radius: 8px;padding: 20px;box-shadow: 0 2px 10px rgba(0,0,0,0.05);transition: transform 0.3s;}.product-card: hover{transform: translateY(-5px);}.product-card h4{font-size: 16px;margin-bottom: 10px;color: #333;}.product-card p{font-size: 13px;color: #666;line-height: 1.5;}/* 本地服务*/.service{background-color: #fff;}.service-grid{display: grid;grid-template-columns: repeat(4, 1fr);gap: 25px;margin-bottom: 50px;}.service-item{text-align: center;padding: 25px 20px;border: 1px solid #e8ecf1;border-radius: 8px;transition: all 0.3s;}.service-item: hover{border-color: #1e5baa;}.service-item h4{font-size: 17px;color: #1e5baa;margin-bottom: 8px;}.service-item p{color: #666;font-size: 14px;}.delivery-area{background: #f8fafc;padding: 30px;border-radius: 8px;}.delivery-area h4{font-size: 18px;color: #1e5baa;margin-bottom: 15px;}.delivery-grid{display: grid;grid-template-columns: repeat(4, 1fr);gap: 15px;}.delivery-item{background: #fff;padding: 15px;border-radius: 6px;text-align: center;}.delivery-item .area{font-weight: bold;color: #333;margin-bottom: 5px;}.delivery-item .time{font-size: 13px;color: #666;}.coop-process{margin-top: 40px;}.coop-process h4{font-size: 18px;color: #1e5baa;margin-bottom: 20px;text-align: center;}.process-steps{display: flex;justify-content: space-between;flex-wrap: wrap;gap: 10px;}.step-item{flex: 1;min-width: 100px;text-align: center;padding: 15px 10px;background: #fff;border-radius: 6px;border: 1px solid #e8ecf1;font-size: 14px;color: #555;}.step-item .step-num{display: inline-block;width: 24px;height: 24px;line-height: 24px;border-radius: 50%;background: #1e5baa;color: #fff;font-size: 12px;margin-bottom: 8px;}/* 工程案例*/.case{background-color: #fff;}.case-grid{display: grid;grid-template-columns: repeat(2, 1fr);gap: 25px;}.case-item{padding: 25px;border: 1px solid #e8ecf1;border-radius: 8px;transition: all 0.3s;}.case-item: hover{border-color: #1e5baa;box-shadow: 0 4px 15px rgba(30, 91, 170, 0.08);}.case-item h4{font-size: 18px;color: #1e5baa;margin-bottom: 12px;}.case-item p{color: #555;margin-bottom: 6px;font-size: 14px;}.case-tag{display: inline-block;background: #f0f5fc;color: #1e5baa;padding: 3px 10px;border-radius: 4px;font-size: 12px;margin-right: 6px;margin-bottom: 8px;}/* 技术知识板块*/.knowledge{background-color: #fff;}.knowledge-article{max-width: 900px;margin: 0 auto;color: #444;line-height: 1.8;}.knowledge-article h3{font-size: 20px;color: #1e5baa;margin: 30px 0 15px;padding-bottom: 8px;border-bottom: 1px solid #e8ecf1;}.knowledge-article h4{font-size: 17px;color: #333;margin: 20px 0 10px;}.knowledge-article p{margin-bottom: 12px;font-size: 15px;}.knowledge-article ul, .knowledge-article ol{margin-bottom: 12px;padding-left: 25px;}.knowledge-article li{margin-bottom: 6px;font-size: 15px;}.knowledge-note{background: #f0f5fc;padding: 15px 20px;border-radius: 6px;border-left: 4px solid #1e5baa;margin: 15px 0;font-size: 14px;color: #555;}/* FAQ*/.faq-item{background-color: #fff;margin-bottom: 15px;border-radius: 8px;padding: 20px 25px;box-shadow: 0 2px 8px rgba(0,0,0,0.04);transition: all 0.3s;}.faq-item: hover{box-shadow: 0 4px 12px rgba(30, 91, 170, 0.08);}.faq-item h4{font-size: 16px;color: #1e5baa;margin-bottom: 8px;}.faq-item p{color: #555;font-size: 14px;}/* 联系我们*/.contact{background: linear-gradient(135deg, #1e5baa 0%, #2a78d4 100%);color: #fff;}.contact .section-title h2, .contact .section-title p{color: #fff;}.contact-grid{display: grid;grid-template-columns: 1fr 1fr;gap: 40px;}.contact-info h3{font-size: 22px;margin-bottom: 20px;}.contact-info p{margin-bottom: 12px;font-size: 16px;}.contact-phone{font-size: 30px;font-weight: bold;color: #ffd700;margin: 15px 0;}/* 页脚*/footer{background-color: #222;color: #aaa;padding: 25px 0;text-align: center;font-size: 14px;}footer a{color: #aaa;}footer p{margin-bottom: 5px;}.footer-icp{font-size: 12px;color: #888;margin-top: 8px;}/* 响应式适配*/@media (max-width: 992px){.about-grid, .contact-grid{grid-template-columns: 1fr;}.advantage-grid, .product-grid, .service-grid, .standard-grid, .delivery-grid{grid-template-columns: repeat(2, 1fr);}.case-grid{grid-template-columns: 1fr;}nav ul{gap: 15px;}.banner h1{font-size: 28px;}.qc-flow ul, .process-steps{justify-content: center;}} @media (max-width: 600px){.advantage-grid, .product-grid, .service-grid, .standard-grid, .delivery-grid, .select-guide ul{grid-template-columns: 1fr;}.about-stats{grid-template-columns: 1fr 1fr;}nav{display: none;}.banner h1{font-size: 24px;}.banner-phone{font-size: 22px;}.spec-table th, .spec-table td, .compare-table th, .compare-table td{padding: 10px 8px;font-size: 12px;}}