*{margin:0;padding:0;box-sizing:border-box}

body{font-family:-apple-system, "Microsoft YaHei", "PingFang SC", sans-serif;color:#333;line-height:1.6;background:#f5f5f5;font-size:13px;}

a{text-decoration:none;color:inherit}

.sbclj-container{max-width:1216px;margin:0 auto;padding:0 20px}

.sbclj-header{background:hsl(219, 47%, 37%);color:#fff;padding:19px 0;position:sticky;top:0;z-index:100}

.sbclj-header-inner{display:flex;justify-content:space-between;align-items:center}

.sbclj-logo{font-size:22px;font-weight:700}

.sbclj-nav{display:flex;gap:25px}

.sbclj-nav-link{color:rgba(255,255,255,.85);font-size:15px;padding:5px 0;border-bottom:2px solid transparent;transition:.3s}

.sbclj-nav-link:hover,.sbclj-nav-link.sbclj-active{color:#fff;border-bottom-color:hsl(107, 79%, 58%)}

.sbclj-banner,.sbclj-page-banner{min-height:320px;display:flex;align-items:center;justify-content:center;text-align:center;color:#fff}

.sbclj-banner-mask{background:rgba(0,0,0,.45);padding:50px 30px;border-radius:4px}

.sbclj-banner h1,.sbclj-page-banner h1{font-size:32px;margin-bottom:12px}

.sbclj-banner p{font-size:16px;opacity:.9}

.sbclj-section{padding:63px 0}

.sbclj-bg-light{background:#fff}

.sbclj-section-title{text-align:center;font-size:26px;margin-bottom:40px;color:hsl(219, 42%, 25%);position:relative}

.sbclj-section-title::after{content:"";display:block;width:50px;height:3px;background:hsl(107, 79%, 58%);margin:12px auto 0}

.sbclj-content{max-width:800px;margin:0 auto;font-size:13px;line-height:1.6;white-space:pre-wrap}

.sbclj-product-grid,.sbclj-case-grid,.sbclj-service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}

.sbclj-product-card,.sbclj-case-card,.sbclj-service-card{background:#fff;border-radius:4px;overflow:hidden;box-shadow:0 0 0 1px rgba(0,0,0,.05);transition:.3s;border:1px solid hsl(219, 47%, 37%)}

.sbclj-product-card:hover,.sbclj-case-card:hover,.sbclj-service-card:hover{transform:translateY(-4px);box-shadow:0 4px 12px rgba(0,0,0,.08)}

.sbclj-product-card img,.sbclj-case-card img,.sbclj-service-card img{width:100%;height:200px;object-fit:cover}

.sbclj-product-card h3,.sbclj-case-card h3,.sbclj-service-card h3{padding:15px 18px 8px;font-size:17px}

.sbclj-news-list{max-width:800px;margin:0 auto}

.sbclj-news-item{background:#fff;padding:20px 25px;margin-bottom:15px;border-radius:4px;box-shadow:0 2px 8px rgba(0,0,0,.06)}

.sbclj-news-item h3{font-size:17px;margin-bottom:8px}

.sbclj-news-date{color:#999;font-size:13px}

.sbclj-product-detail{display:flex;gap:30px;align-items:flex-start;flex-wrap:wrap}

.sbclj-detail-img{width:400px;height:300px;object-fit:cover;overflow:hidden;border-radius:4px;box-shadow:0 4px 16px rgba(0,0,0,.1)}
.sbclj-detail-img img{width:100%;height:100%;object-fit:cover;display:block;border-radius:inherit}

.sbclj-product-detail .sbclj-content{flex:1;min-width:280px;margin:0}

.sbclj-footer{background:hsl(219, 42%, 25%);color:rgba(255,255,255,.7);text-align:center;padding:30px 0;font-size:14px}



/* 汉堡菜单按钮 */

.sbclj-hamburger{display:none;flex-direction:column;justify-content:space-around;width:28px;height:24px;background:transparent;border:none;cursor:pointer;padding:0;z-index:110}

.sbclj-hamburger span{display:block;width:100%;height:3px;background:#fff;border-radius:2px;transition:.3s}

.sbclj-hamburger-active span:nth-child(1){transform:rotate(45deg) translate(6px,6px)}

.sbclj-hamburger-active span:nth-child(2){opacity:0}

.sbclj-hamburger-active span:nth-child(3){transform:rotate(-45deg) translate(6px,-6px)}




@media(max-width:768px){

    .sbclj-hamburger{display:flex}

    .sbclj-nav{display:none;flex-direction:column;width:100%;gap:0;background:hsl(219, 47%, 37%);padding:0;position:absolute;top:100%;left:0}

    .sbclj-nav.sbclj-nav-open{display:flex}

    .sbclj-nav-link{display:block;padding:12px 20px;border-bottom:1px solid rgba(255,255,255,.1)}

    .sbclj-header-inner{flex-direction:row;justify-content:space-between;align-items:center;gap:8px;flex-wrap:nowrap;padding:0 2px}

    .sbclj-banner h1,.sbclj-page-banner h1{font-size:24px}

    .sbclj-product-grid,.sbclj-case-grid,.sbclj-service-grid{grid-template-columns:1fr}

    .sbclj-product-detail{flex-direction:column}

    .sbclj-detail-img{width:100%}
}