:root{--primary:#44A9E2;--primary-dark:#2d8cc7;--beige:#FAF0C0;--light-beige:#F5E6C8;--dark:#374151;--white:#fff;--gray:#f5f5f5;--text:#333;--text-light:#666;--shadow:0 2px 12px rgba(0,0,0,.06);--shadow-hover:0 8px 24px rgba(0,0,0,.12)}

/* Reset */
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,"Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:16px;line-height:1.6;color:var(--text);background:var(--white)}
a{text-decoration:none;color:inherit;transition:all .3s}a:hover{color:var(--primary)}
img{max-width:100%;height:auto}

/* Container */
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* Buttons */
.btn{display:inline-block;padding:14px 32px;border-radius:30px;font-weight:700;font-size:15px;cursor:pointer;transition:all .3s;border:none;text-align:center}
.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-outline{border:2px solid var(--white);color:var(--white);background:transparent}.btn-outline:hover{background:var(--white);color:var(--primary)}
.btn-white{background:#fff;color:var(--primary)}.btn-white:hover{background:var(--beige)}
.btn-red{background:#BB2322;color:#fff}.btn-red:hover{background:#8B1A1A}

/* Sections */
.section{padding:80px 0}
.section-title{text-align:center;margin-bottom:50px}
.section-title h2{font-size:40px;font-weight:800;color:var(--dark);margin-bottom:12px;letter-spacing:1px}
.section-title p{font-size:18px;color:var(--text-light)}

/* Header */
.header{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);padding:14px 0;box-shadow:0 2px 12px rgba(0,0,0,.1);position:sticky;top:0;z-index:100}
.header-inner{display:flex;justify-content:center;align-items:center;gap:8px;flex-wrap:nowrap;overflow:hidden}
.logo h1{font-size:20px;color:#fff;font-weight:900;letter-spacing:1px;white-space:nowrap;flex-shrink:0}
.nav{display:flex;gap:4px;flex-wrap:nowrap;align-items:center}
.nav a{color:rgba(255,255,255,.9);font-size:12px;font-weight:600;padding:4px 5px;border-radius:4px;white-space:nowrap;flex-shrink:0}
.nav a:hover,.nav a.active{background:rgba(255,255,255,.2);color:#fff}
.header-right{display:flex;align-items:center;gap:20px}
.header-tel{display:flex;flex-direction:column;align-items:flex-end}
.header-tel span{font-size:12px;color:rgba(255,255,255,.7)}
.header-tel a{font-size:18px;font-weight:800;color:#fff}
.header-btn{padding:8px 18px;font-size:13px}
.mobile-menu-btn{display:none;background:none;border:none;color:#fff;font-size:24px;cursor:pointer}
.mobile-nav{background:var(--primary-dark);padding:16px;display:none}
.mobile-nav a{display:block;padding:10px 16px;color:#fff;font-weight:600}

/* KV Banner */
.kv-banner,.page-banner{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;padding:100px 0;text-align:center}
.kv-banner h1,.page-banner h1{font-size:52px;font-weight:900;margin-bottom:16px}
.kv-banner p,.page-banner p{font-size:20px;margin-bottom:30px;opacity:.9}
.hero-banner{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;padding:80px 0;text-align:center}
.hero-banner h1{font-size:48px;font-weight:900;margin-bottom:12px}
.hero-banner p{font-size:18px;margin-bottom:24px;opacity:.9}

/* Features Grid */
.features-grid,.strength-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-card,.strength-card{text-align:center;padding:30px 20px;background:#fff;border-radius:12px;box-shadow:var(--shadow);transition:all .3s}
.feature-card:hover,.strength-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.feature-icon,.strength-icon{font-size:40px;margin-bottom:12px}
.feature-card h3,.strength-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.feature-card p,.strength-card p{font-size:14px;color:var(--text-light)}
.section-features{background:var(--white)}

/* Products Grid */
.product-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
/* Product list 6-column grid */.page-product-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:20px;width:100%}
.product-card{text-align:center;padding:12px;background:#fff;border-radius:12px;box-shadow:var(--shadow);transition:all .3s;display:block;overflow:hidden}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.product-icon{font-size:48px;margin-bottom:12px}
.card-title{font-size:16px;font-weight:700;color:#374151;margin-bottom:6px;line-height:1.4;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.card-sku{font-size:13px;color:#888;margin-bottom:0}
.card-img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:8px;margin-bottom:12px}
.card-img-placeholder{width:100%;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;background:var(--gray);border-radius:8px;margin-bottom:12px;font-size:48px}
.section-products{background:#f0f7ff}

/* Advantage Grid */
.advantage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.advantage-card{text-align:center;padding:30px;background:#fff;border-radius:12px;box-shadow:var(--shadow);transition:all .3s}
.advantage-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.advantage-icon{font-size:40px;margin-bottom:12px}
.advantage-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.advantage-card p{font-size:14px;color:var(--text-light)}

/* Clients */
.clients-logos{display:flex;gap:24px;justify-content:center;flex-wrap:wrap}
.client-logo{width:120px;height:60px;background:var(--gray);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#999;font-size:12px}

/* CTA Section */
.cta-section{padding:60px 0}
.cta-section h2{font-size:36px;font-weight:800;margin-bottom:12px}
.cta-section p{font-size:18px;margin-bottom:24px;opacity:.9}

/* Custom Section */
.section-custom{background:var(--beige)}
.custom-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;text-align:center}
.step-card{padding:24px 16px}
.step-num{font-size:36px;font-weight:900;color:var(--primary);margin-bottom:8px}
.step-card h3{font-size:16px;font-weight:700;margin-bottom:4px}
.step-card p{font-size:13px;color:var(--text-light)}
.custom-advantage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.custom-adv-card{text-align:center;padding:24px;background:#fff;border-radius:12px;box-shadow:var(--shadow)}
.custom-adv-card .icon{font-size:36px;margin-bottom:8px}
.custom-adv-card h3{font-size:16px;font-weight:700;margin-bottom:4px}
.custom-adv-card p{font-size:13px;color:var(--text-light)}

/* Contact Grid */
.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.contact-card{text-align:center;padding:24px;background:#fff;border-radius:12px;box-shadow:var(--shadow);transition:all .3s}
.contact-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.contact-card h3{font-size:16px;margin-bottom:8px}
.contact-card p{color:var(--text-light)}

/* Sub Categories */
.sub-cats{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:30px}
.tab-btn{padding:8px 16px;border-radius:20px;background:var(--gray);font-size:14px;font-weight:600;display:inline-block;cursor:pointer;transition:all .3s}
.tab-btn:hover,.tab-btn.active{background:var(--primary);color:#fff}

/* News Grid */
.news-grid,.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card,.case-card{background:#fff;border-radius:12px;padding:24px;box-shadow:var(--shadow);transition:all .3s}
.news-card:hover,.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.news-card h3,.case-card h3{font-size:16px;font-weight:700;margin-bottom:8px}
.news-card p,.case-card p{font-size:14px;color:var(--text-light)}

/* Pagination */
.pagination{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:40px;flex-wrap:wrap}
.page-btn{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:38px;padding:0 14px;border-radius:8px;background:#fff;border:1px solid #e5e7eb;font-size:14px;font-weight:600;color:var(--text);transition:all .3s;cursor:pointer;text-decoration:none}
.page-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.page-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.page-btn.disabled{opacity:.4;cursor:not-allowed}
.page-ellipsis{color:#999;padding:0 4px}

/* Empty State */
.empty-state{text-align:center;padding:60px;color:#888}
.empty-state div{font-size:64px;margin-bottom:16px}

/* Map Section */
.map-section{margin-top:40px;text-align:center;background:var(--gray);padding:30px;border-radius:12px}
.map-section h3{margin-bottom:12px}
.map-section p{margin-bottom:8px;color:var(--text-light)}

/* Footer */
.footer{background:var(--dark);color:rgba(255,255,255,.8);padding:50px 0 20px}
.footer-content{display:grid;grid-template-columns:2fr 1.5fr 1fr;gap:40px;margin-bottom:30px}
.footer-logo h2{font-size:24px;color:#fff;margin-bottom:12px}
.footer-left p,.footer-center p,.footer-right p{margin-bottom:6px;font-size:14px}
.footer-center h3,.footer-right h3{font-size:16px;color:#fff;margin-bottom:12px}
.footer-center a{display:block;margin-bottom:6px;font-size:14px;color:rgba(255,255,255,.7)}
.footer-center a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;text-align:center;font-size:13px;color:rgba(255,255,255,.5)}

/* Float Buttons */
.float-buttons{position:fixed;bottom:30px;right:30px;display:flex;flex-direction:column;gap:12px;z-index:999}
.float-btn{width:50px;height:50px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;box-shadow:0 4px 12px rgba(68,169,226,.4);transition:transform .3s}
.float-btn:hover{transform:scale(1.1)}

/* Content Text */
.page-content{padding:60px 0}
.content-text{font-size:16px;line-height:1.8;color:var(--text-light);max-width:800px;margin:0 auto}
.content-text p{margin-bottom:16px}

/* Factory Section */
.factory-info{max-width:800px;margin:0 auto;text-align:center}
.factory-info h3{font-size:20px;font-weight:700;margin-bottom:12px}
.factory-info p{font-size:16px;line-height:1.8;color:var(--text-light);margin-bottom:16px}
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:30px 0}
.stat-item{text-align:center;padding:20px}
.stat-item .num{font-size:36px;font-weight:900;color:var(--primary)}
.stat-item .label{font-size:14px;color:var(--text-light);margin-top:4px}

/* Responsive */
@media(max-width:1024px){
    .features-grid,.strength-grid,.stats-row{grid-template-columns:repeat(2,1fr)}
    .product-grid{grid-template-columns:repeat(3,1fr)}
    .custom-steps{grid-template-columns:repeat(3,1fr)}
    .footer-content{grid-template-columns:1fr}
    .header-inner{justify-content:space-between}
    .nav{display:none}
    .header-right{display:none}
    .mobile-menu-btn{display:block}
}
@media(max-width:768px){
    .kv-banner,.page-banner{padding:60px 0}
    .kv-banner h1,.page-banner h1{font-size:32px}
    .kv-banner p,.page-banner p{font-size:16px}
    .section-title h2{font-size:28px}
    .features-grid,.advantage-grid,.strength-grid,.custom-advantage-grid{grid-template-columns:1fr}
    .product-grid{grid-template-columns:repeat(2,1fr)}
    .page-product-grid{grid-template-columns:repeat(2,1fr)}
    .news-grid,.case-grid{grid-template-columns:1fr}
    .contact-grid{grid-template-columns:repeat(2,1fr)}
    .custom-steps{grid-template-columns:repeat(2,1fr)}
    .stats-row{grid-template-columns:repeat(2,1fr)}
    .cta-section h2{font-size:28px}
}
@media(max-width:480px){
    .product-grid{grid-template-columns:repeat(2,1fr)}
    .page-product-grid{grid-template-columns:repeat(2,1fr)}
    .contact-grid{grid-template-columns:1fr}
    .custom-steps{grid-template-columns:1fr}
    .stats-row{grid-template-columns:1fr}
    .float-buttons{bottom:16px;right:16px}
    .float-btn{width:44px;height:44px;font-size:18px}
}

/* 导航栏内电话和按钮 */
.nav-tel{display:flex;flex-direction:row;align-items:center;margin-left:4px;padding-left:12px;border-left:1px solid rgba(255,255,255,.3);gap:4px;flex-shrink:0}
.tel-label{font-size:10px;color:rgba(255,255,255,.8);white-space:nowrap}
.tel-num{font-size:14px;font-weight:800;color:#fff;white-space:nowrap}
.nav-btn{padding:4px 10px;font-size:11px;margin-left:4px;white-space:nowrap;flex-shrink:0}
.mobile-tel{text-align:center;padding:10px 16px;border-top:1px solid rgba(255,255,255,.15)}
.mobile-tel a{color:#fff;font-weight:700;font-size:16px}
.mobile-cta-btn{display:block;margin:8px 16px;padding:10px;text-align:center;background:rgba(255,255,255,.2);color:#fff;border-radius:8px;font-weight:700}

/* 导航栏内电话和按钮 */
.nav-tel{display:flex;flex-direction:row;align-items:center;margin-left:4px;padding-left:12px;border-left:1px solid rgba(255,255,255,.3);gap:4px;flex-shrink:0}
.tel-label{font-size:10px;color:rgba(255,255,255,.8);white-space:nowrap}
.tel-num{font-size:14px;font-weight:800;color:#fff;white-space:nowrap}
.nav-btn{padding:4px 10px;font-size:11px;margin-left:4px;white-space:nowrap;flex-shrink:0}
.mobile-tel{text-align:center;padding:10px 16px;border-top:1px solid rgba(255,255,255,.15)}
.mobile-tel a{color:#fff;font-weight:700;font-size:16px}
.mobile-cta-btn{display:block;margin:8px 16px;padding:10px;text-align:center;background:rgba(255,255,255,.2);color:#fff;border-radius:8px;font-weight:700}
/* 大字体紧凑一行覆盖 */
.header-inner{gap:4px !important}
.logo h1{font-size:24px !important;letter-spacing:0.5px}
.nav{gap:2px !important}
.nav a{font-size:14px !important;padding:3px 4px !important}
.tel-label{font-size:12px !important}
.tel-num{font-size:15px !important}
.nav-tel{margin-left:2px !important;padding-left:8px !important;gap:3px !important}
.nav-btn{font-size:13px !important;padding:5px 10px !important;margin-left:2px !important}
/* 导航间距调整 */
.nav{gap:6px !important}
.nav a{padding:4px 6px !important}
/* 首页 KV CTA 按钮 - 醒目设计 */
.btn-cta-home{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 32px;
  background:linear-gradient(135deg,rgba(255,255,255,.18) 0%,rgba(255,255,255,.08) 100%);
  border:2px solid rgba(255,255,255,.7);
  backdrop-filter:blur(4px);
  color:#fff;
  text-decoration:none;
  border-radius:12px;
  box-shadow:0 4px 20px rgba(0,0,0,.12), inset 0 1px 0 rgba(255,255,255,.15);
  transition:all .35s cubic-bezier(.4,0,.2,1);
  position:relative;
  overflow:hidden;
  font-size:15px;
  font-weight:700;
  letter-spacing:.5px;
}
.btn-cta-home::before{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,#44A9E2 0%,#3a95d0 100%);
  opacity:0;
  transition:opacity .35s ease;
}
.btn-cta-home::after{
  content:'';
  position:absolute;
  top:-50%;
  left:-50%;
  width:200%;
  height:200%;
  background:linear-gradient(45deg,transparent 30%,rgba(255,255,255,.1) 50%,transparent 70%);
  transform:translateX(-100%);
  transition:transform .6s ease;
}
.btn-cta-home:hover{
  transform:translateY(-2px);
  border-color:rgba(255,255,255,.9);
  box-shadow:0 6px 28px rgba(0,0,0,.18), inset 0 1px 0 rgba(255,255,255,.25);
}
.btn-cta-home:hover::before{opacity:1;}
.btn-cta-home:hover::after{transform:translateX(100%);}
.btn-cta-home>*{position:relative;z-index:1;}

@media(max-width:768px){
  .btn-cta-home{padding:10px 24px;font-size:14px}
}