*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:15px;line-height:1.8;color:#333;background:#f5f7fa}
.container{max-width:1200px;margin:0 auto;padding:0 15px}
a{color:#333;text-decoration:none}
a:hover{color:#1a73e8}
img{max-width:100%;height:auto;display:block}

/* Header */
.header{background:#fff;border-bottom:2px solid #1a73e8;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.header-top{background:#f8f9fa;padding:8px 0;font-size:13px;color:#666;border-bottom:1px solid #eee}
.header-top .container{display:flex;justify-content:space-between;align-items:center}
.header-main{padding:15px 0;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:12px}
.logo h1{font-size:22px;color:#1a73e8;font-weight:700}
.logo p{font-size:13px;color:#999}
.header-tel{text-align:right}
.header-tel .label{font-size:13px;color:#666}
.header-tel .num{font-size:24px;font-weight:700;color:#e74c3c;font-family:Arial}

/* Breadcrumb */
.breadcrumb{padding:12px 0;font-size:13px;color:#999;background:#fff}
.breadcrumb a{color:#666}
.breadcrumb a:hover{color:#1a73e8}
.breadcrumb .current{color:#1a73e8}

/* Hero Section */
.hero{background:linear-gradient(135deg,#1a73e8 0%,#0d47a1 100%);color:#fff;padding:50px 0}
.hero .container{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.hero-text h2{font-size:32px;margin-bottom:16px;line-height:1.4}
.hero-text p{font-size:16px;margin-bottom:10px;opacity:.95;line-height:1.8}
.hero-text .tags{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px}
.hero-text .tags span{background:rgba(255,255,255,.2);padding:6px 14px;border-radius:20px;font-size:13px}
.hero-img{background:rgba(255,255,255,.1);border-radius:12px;padding:20px;text-align:center}
.hero-img img{border-radius:8px;width:100%;max-height:320px;object-fit:contain}

/* Section Common */
.section{padding:50px 0}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:28px;color:#222;margin-bottom:10px}
.section-title h2 span{color:#1a73e8}
.section-title p{color:#888;font-size:14px}

/* Product Types */
.product-types{background:#fff}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.product-item{background:#f8f9fa;border-radius:10px;overflow:hidden;transition:all .3s;border:1px solid #eee}
.product-item:hover{transform:translateY(-5px);box-shadow:0 10px 30px rgba(26,115,232,.15);border-color:#1a73e8}
.product-item .img-wrap{height:180px;overflow:hidden;background:#fff;display:flex;align-items:center;justify-content:center;padding:15px}
.product-item .img-wrap img{max-height:100%;object-fit:contain}
.product-item .info{padding:15px;text-align:center}
.product-item .info h3{font-size:16px;margin-bottom:8px;color:#222}
.product-item .info p{font-size:13px;color:#888;line-height:1.6}

/* Features */
.features{background:#f5f7fa}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}
.feature-item{background:#fff;padding:30px 20px;border-radius:10px;text-align:center;transition:all .3s;border-top:3px solid #1a73e8}
.feature-item:hover{transform:translateY(-3px);box-shadow:0 8px 25px rgba(0,0,0,.1)}
.feature-item .icon{width:60px;height:60px;margin:0 auto 15px;background:linear-gradient(135deg,#1a73e8,#0d47a1);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:24px}
.feature-item h3{font-size:17px;margin-bottom:10px;color:#222}
.feature-item p{font-size:13px;color:#777;line-height:1.7}

/* Detail Content */
.detail-content{background:#fff}
.detail-wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.detail-text h3{font-size:22px;margin-bottom:16px;color:#222}
.detail-text h3 span{color:#1a73e8}
.detail-text p{margin-bottom:12px;color:#555;line-height:1.9}
.detail-text ul{margin:15px 0 15px 20px}
.detail-text ul li{margin-bottom:8px;color:#555}
.detail-text ul li strong{color:#222}
.detail-img{border-radius:10px;overflow:hidden;box-shadow:0 5px 20px rgba(0,0,0,.1)}

/* Spec Table */
.spec-section{background:#f5f7fa}
.table-wrap{overflow-x:auto;background:#fff;border-radius:10px;box-shadow:0 2px 10px rgba(0,0,0,.05)}
table{width:100%;border-collapse:collapse}
thead{background:linear-gradient(135deg,#1a73e8,#0d47a1);color:#fff}
th{padding:14px 16px;text-align:left;font-weight:600;font-size:14px}
td{padding:12px 16px;border-bottom:1px solid #eee;font-size:14px}
tbody tr:hover{background:#f0f7ff}
tbody tr:last-child td{border-bottom:none}

/* Application Scenarios */
.scenarios{background:#fff}
.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scenario-item{position:relative;border-radius:10px;overflow:hidden;height:160px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;font-weight:600}
.scenario-item::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(26,115,232,.85),rgba(13,71,161,.85));z-index:1}
.scenario-item span{position:relative;z-index:2}
.scenario-item:nth-child(2n)::before{background:linear-gradient(135deg,rgba(233,30,99,.8),rgba(173,20,87,.8))}
.scenario-item:nth-child(3n)::before{background:linear-gradient(135deg,rgba(76,175,80,.85),rgba(46,125,50,.85))}

/* Factory Strength */
.factory{background:#f5f7fa}
.factory-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:30px}
.factory-item{background:#fff;padding:25px 15px;border-radius:10px;text-align:center;border-bottom:3px solid #1a73e8}
.factory-item .num{font-size:32px;font-weight:700;color:#1a73e8;font-family:Arial}
.factory-item .label{font-size:14px;color:#666;margin-top:5px}
.factory-desc{background:#fff;padding:30px;border-radius:10px}
.factory-desc h3{font-size:20px;margin-bottom:15px;color:#222}
.factory-desc p{color:#555;margin-bottom:10px;line-height:1.9}

/* FAQ */
.faq{background:#fff}
.faq-list{max-width:900px;margin:0 auto}
.faq-item{margin-bottom:15px;border:1px solid #eee;border-radius:8px;overflow:hidden}
.faq-q{padding:16px 20px;background:#f8f9fa;font-weight:600;color:#222;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.faq-q::before{content:'Q';display:inline-block;width:24px;height:24px;background:#1a73e8;color:#fff;border-radius:50%;text-align:center;line-height:24px;margin-right:10px;font-size:13px}
.faq-a{padding:15px 20px 15px 54px;color:#555;line-height:1.8;font-size:14px;background:#fff}

/* Contact CTA */
.contact-cta{background:linear-gradient(135deg,#1a73e8 0%,#0d47a1 100%);color:#fff;padding:50px 0;text-align:center}
.contact-cta h2{font-size:28px;margin-bottom:15px}
.contact-cta p{font-size:16px;opacity:.9;margin-bottom:25px}
.contact-cta .tel-big{font-size:36px;font-weight:700;font-family:Arial;margin:20px 0}
.contact-cta .btn{display:inline-block;padding:14px 40px;background:#fff;color:#1a73e8;border-radius:30px;font-weight:600;font-size:16px;transition:all .3s;margin:0 10px}
.contact-cta .btn:hover{transform:translateY(-2px);box-shadow:0 5px 20px rgba(0,0,0,.2)}
.contact-cta .btn-outline{background:transparent;color:#fff;border:2px solid #fff}

/* Related Products */
.related{background:#f5f7fa}
.related-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:15px}
.related-item{background:#fff;border-radius:8px;padding:15px;text-align:center;transition:all .3s;border:1px solid #eee}
.related-item:hover{border-color:#1a73e8;color:#1a73e8;transform:translateY(-3px)}
.related-item img{width:100%;height:80px;object-fit:contain;margin-bottom:10px}
.related-item span{font-size:13px}

/* Footer */
.footer{background:#2c3e50;color:#fff;padding:40px 0 20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:30px}
.footer h4{font-size:16px;margin-bottom:15px;color:#fff}
.footer p,.footer li{font-size:13px;color:#bbb;line-height:2;list-style:none}
.footer a{color:#bbb}
.footer a:hover{color:#fff}
.footer-bottom{padding-top:20px;border-top:1px solid #445566;text-align:center;font-size:13px;color:#999}

/* Responsive */
@media(max-width:768px){
  .hero .container,.detail-wrap{grid-template-columns:1fr}
  .product-grid,.feature-grid,.scenario-grid,.related-grid{grid-template-columns:repeat(2,1fr)}
  .factory-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-text h2{font-size:24px}
  .section{padding:30px 0}
  .header-main{flex-direction:column;gap:10px}
  .header-tel{text-align:center}
}